41 lines
1.4 KiB
Zig
41 lines
1.4 KiB
Zig
//
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// Now that we've learned about arrays, we can talk about strings.
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//
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// We've already seen Zig string literals: "Hello world.\n"
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//
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// Like the C language, Zig stores strings as arrays of bytes
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// encoded as UTF-8 characters terminated with a null value.
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// For now, just focus on the fact that strings are arrays of
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// characters!
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//
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const std = @import("std");
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pub fn main() void {
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const ziggy = "stardust";
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// Use array square bracket syntax to get the letter 'd' from
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// the string "stardust" above.
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const d: u8 = ziggy[???];
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// Use the array repeat '**' operator to make "ha ha ha".
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const laugh = "ha " ???;
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// Use the array concatenation '++' operator to make "Major Tom".
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// (You'll need to add a space as well!)
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const major = "Major";
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const tom = "Tom";
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const major_tom = major ??? tom;
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std.debug.print("d={u} {}{}\n",.{d, laugh, major_tom});
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// Going deeper:
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// Keen eyes will notice that we've put a 'u' inside the '{}'
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// placeholder in the format string above. This tells the
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// print() function (which uses std.fmt.format() function) to
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// print out a UTF-8 character. Otherwise we'd see '100', which
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// is the decimal number corresponding with the 'd' character
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// in UTF-8.
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// While we're on this subject, 'c' (ASCII encoded character)
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// would work in place for 'u' because the first 128 characters
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// of UTF-8 are the same as ASCII!
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}
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